Constantan is an alloy of copper and _____. / कॉन्स्टैंटन ताँबे और _____ की मिश्रधातु है। [SSC CGL 09 March 2020, Shift 2]
Answer
Correct Answer : c ) Nickel / निकेल
Explanation :Constantan is a copper-nickel alloy, typically composed of approximately 55% copper and 45% nickel.
This specific composition gives it valuable properties, such as high electrical resistivity and a very low temperature coefficient of resistance.
This makes it suitable for use in electrical resistors, strain gauges, and thermocouples.
Hence, (c) is the correct answer.
कॉन्स्टेंटन एक तांबा-निकल मिश्रधातु है, जिसमें आमतौर पर लगभग 55% तांबा और 45% निकल होता है।
इस विशिष्ट संरचना के कारण इसमें उच्च विद्युत प्रतिरोधकता और प्रतिरोध का बहुत कम तापमान गुणांक जैसे मूल्यवान गुण होते हैं।
इस कारण यह विद्युत प्रतिरोधकों, स्ट्रेन गेजों और थर्मोकपलों में उपयोग के लिए उपयुक्त है।
अतः, (c) सही उत्तर है।
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